GRK 00137 R4 Multi-Purpose Framing Screw, #10 x 3-1/8", 1500-Count Summer10 Microprocessor controlled low-battery indicator and

Microprocessor controlled low-battery indicator and tester shutdown

Pool Decks

Steel wheel construction for durability

Gray with red top

GRK 00137 R4 Multi-Purpose Framing Screw, #10 x 3-1/8", 1500-Count Summer10 Microprocessor controlled low-battery indicator andThis design enhances the R4's versatility by allowing the fastener to countersink into even the hardest woods. The head of the screw closes the hole off with precision leaving no damaged fibers around the head. R4 screws 2" and longer have a four threaded CEE Thread. This enlarges the screw hole for the non threaded portion of the fastener, allowing the wood to settle easily. It increases the screw's drawing strength and reduces the friction on the